Selected article for: "distribution mean and Poisson distribution"
Author: Ruiyun Li; Sen Pei; Bin Chen; Yimeng Song; Tao Zhang; Wan Yang; Jeffrey Shaman
Title: Substantial undocumented infection facilitates the rapid dissemination of novel coronavirus (COVID-19)
  • Document date: 2020_2_17
    • ID: 3nipr212_13
    Snippet: To account for delays in infection confirmation, we also defined an observation model using a Poisson process. Specifically, for each new case in group < A , a reporting delay ! (in days) was generated from a Poisson distribution with a mean value of ! . In fitting both synthetic and the observed outbreaks, we performed simulations with the model-inference system using different fixed values of ! (4 ≤ ! ≤ 12 ) and \X] (500 ≤ \X] ≤ 6000). .....
    Document: To account for delays in infection confirmation, we also defined an observation model using a Poisson process. Specifically, for each new case in group < A , a reporting delay ! (in days) was generated from a Poisson distribution with a mean value of ! . In fitting both synthetic and the observed outbreaks, we performed simulations with the model-inference system using different fixed values of ! (4 ≤ ! ≤ 12 ) and \X] (500 ≤ \X] ≤ 6000). The best fitting model-inference posterior was identified by log-likelihood. Full details of the data and methods, including synthetic testing and sensitivity analyses, are provided in the Supplementary Appendix.

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